Home / 5,367.21-7,399.90-3,475.45

Finding the Fourth Proportional to 5,367.21, 7,399.90 and 3,475.45

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Solution

The fourth proportional to 5,367.21, 7,399.90 and 3,475.45 is: 4,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.21 : 7,399.90 = 3,475.45 : x
  2. Step 2: Convert to fraction form
    5,367.21/7,399.90 = 3,475.45/x
  3. Step 3: Cross multiply
    5,367.21x = 7,399.90 × 3,475.45
  4. Step 4: Simplify right side
    5,367.21x = 25,717,973.77
  5. Step 5: Solve for x
    x = 25,717,973.77/5,367.21
  6. Step 6: Final answer
    x = 4,791.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.